11222199 has 16 divisors (see below), whose sum is σ = 16707840. Its totient is φ = 7444440.

The previous prime is 11222177. The next prime is 11222201. The reversal of 11222199 is 99122211.

It is not a de Polignac number, because 11222199 - 2¹¹ = 11220151 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5214 + ... + 7044.

It is an arithmetic number, because the mean of its divisors is an integer number (1044240).

Almost surely, 2^11222199 is an apocalyptic number.

11222199 is a deficient number, since it is larger than the sum of its proper divisors (5485641).

11222199 is a wasteful number, since it uses less digits than its factorization.

11222199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067 (or 2061 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 11222199 is about 3349.9550743256. The cubic root of 11222199 is about 223.8855109554.

It can be divided in two parts, 1122 and 2199, that added together give a triangular number (3321 = T₈₁).

The spelling of 11222199 in words is "eleven million, two hundred twenty-two thousand, one hundred ninety-nine".